title: Mini-review: defense strategies and immunity-related genes.
mesh_terms: D000818:Animals; D019143:Evolution, Molecular; D005803:Genes, Immunoglobulin / Q000235:genetics*; D006801:Humans; D007109:Immunity / Q000235:genetics*; D015810:Linkage Disequilibrium; D005810:Multigene Family; D011110:Polymorphism, Genetic